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Mg2+-F-interaction during hydroxyapatite formation.

M Okazaki1

  • 1Department of Dental Technology, Osaka University Faculty of Dentistry, Japan.

Magnesium
|January 1, 1987
PubMed
Summary
This summary is machine-generated.

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This study synthesized magnesium-containing fluoridated hydroxyapatites, finding that even small amounts of magnesium significantly altered crystal structure and fluoride content, suggesting Mg2+-F- interactions during formation.

Area of Science:

  • Materials Science
  • Biomaterials Chemistry
  • Crystallography

Background:

  • Hydroxyapatite is a key biomaterial.
  • Fluoridation and magnesium incorporation can modify hydroxyapatite properties.
  • Understanding these modifications is crucial for biomaterial development.

Purpose of the Study:

  • To synthesize Mg-containing fluoridated hydroxyapatites.
  • To compare their properties with Mg-free counterparts.
  • To investigate the influence of magnesium on fluoride incorporation and crystallinity.

Main Methods:

  • Synthesis of two series of Mg-containing fluoridated hydroxyapatites.
  • Controlled synthesis conditions: 80°C and pH 7.4.
  • Comparison with a Mg-free series.

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Main Results:

  • Mg content in apatites increased with fluoridation, despite constant feed concentration.
  • Small magnesium additions significantly impacted apatite crystallinity.
  • Crystallinity patterns varied uniquely with fluoride content for each magnesium level.

Conclusions:

  • Magnesium significantly influences the crystallinity of synthetic fluoridated hydroxyapatites.
  • Mg2+-F- interactions are proposed as the mechanism behind observed phenomena.
  • These findings offer insights into tailoring hydroxyapatite properties for specific applications.